Robert Clohessy

as Dr. Monaghan

as Victor Tyler

as Richard Morgan

as Moe The Book

as Sheriff

as Detective Jack

as Kevin Sansone

as Internal Affairs Detective Rullan

as Aidan

as Martin Sawyer

as Anthony Mango

as John Halmo

as Chef Dominick

as Ben

as 7th Floor Elmhurst Police Officer

as Captain Miller

as Frank

as Deputy Warden Hamlett

as Jack

as Dorman O'Mearain - the Last Taxi Driver

as Enemy

as John McLean

as Mr. Rose

as Bar Tender

as Nolan Drager (Jordan's Lawyer)

as Immigration Official

as Richard(1 ep)

as Postman

as Mickey O'Mara

as Chief Weirzbowski

as Detective Jablonsky

as Police Sergeant

as Prison Guard

as Parade Cop

as Jack Healy(1 ep)

as Patrick White

as Veteran Cop

as Building Superintendent

as Sid Gormley(163 eps)

as James "Jim" Neary(9 eps)

as Lance Lane

as Roy(1 ep)

as Mike Boorland(1 ep)

as Parker

as Jake

as Frank Wyatt(1 ep)

as Detective Santori(8 eps)

as Dive Bartender

as Det. Journell

as Wesley "Wes" Huber (Jude's Father)

as Lawrence Pedroia(1 ep)

as Doug

as Mayor

as Scott Faubel(1 ep)

as Coach Hankins(1 ep)

as Cannova

as FBI Agent King

as Victor Pepperdine

as Jack Tully(1 ep)

as David Brummond(1 ep)

as Phil LeGrand(1 ep)

as Roger Lemoyne(1 ep)

as Mike Byrne(1 ep)

as Larry

as Danny Gamble(1 ep)

as Joel Parven(1 ep)

as Leo Barth(1 ep)

as Vinnie(1 ep)

as David Potter

as Officer Sean Murphy(1 ep)

as Detective Gagen(1 ep)

as Policeman(1 ep)

as Mitchell(1 ep)

as Frank Balfour

as Robert Malzone(2 eps)

as Average Tony(1 ep)

as Frank Gates

as Dan Broyles

as Joe(1 ep)

as Reggie(1 ep)

as Merrick's Bodyguard(1 ep)

as Matt Frazier(1 ep)

as John Dillinger(1 ep)

as Detective Douglas Jones(1 ep)

as Jeff Hill(10 eps)

as Kevin McQuaid

as Sean Doyle

as Tony Loomis

as Kenny Peluso(1 ep)

as FDNY Assistant Chief(1 ep)

as Robert Telford(1 ep)

as Painter(1 ep)

as Jeff Moore(1 ep)

as Alley Tough

as Stanley(1 ep)

as Diner Detective

as Harlan Fondy(1 ep)

as Gym Teacher

as Max Daniels(1 ep)

as Policeman(1 ep)

as Off. Patrick Flaherty(1 ep)

as Self(1 ep)